SBETO (Smart Block-Entity Tick Optimizer)
by Tasuposed
SBETO, the Smart Block-Entity Tick Optimizer, is a Fabric server mod that skips block-entity ticks which would do nothing, to raise tick performance.
What it does
Block entities such as chests, furnaces and hoppers tick every game tick even when nothing changes. SBETO lets the server wake them only when something relevant happens, such as a successful item transfer, an entity collision next to the block, or an inventory update. Between those events a block entity can sit idle after a configurable grace period, which avoids updates that have no effect on item flow. Vanilla mechanics are preserved, so item transfer behaves as it normally does.
The server side does the work. Installing it on a server without clients is enough, and a client install is optional, with only minor CPU savings on the player's machine. Client-side ticks for chests can be skipped for players within a configurable range. Settings are changed with commands and can be checked with a stats command.
SBETO is published for Fabric only, as a single 1.0.0 file for 1.21.8, released on 2025-08-10. It requires Fabric API, and the mod is released under the MIT License but is not open source.
Key features
Idle grace period
A configurable grace period lets a block entity stay idle for a set number of ticks before it stops ticking.
Event-based wake-ups
Successful transfers, entity collisions and inventory changes wake an idle block entity so it resumes normal behavior.
Cooldown awareness
Ticks are skipped only while a cooldown is still running, so timed item transfers finish on schedule.
Commands and stats
Settings can be changed with commands, and a stats command reports how the optimizer is performing.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Who it’s for: Server owners who run many block entities and want to cut tick cost without changing vanilla item flow. Players only need the mod on the client if they want the minor client-side savings.
How it compares
Tab Optimizer is open source under the MIT License, client-side only and published for 1.21.11. ClockStopper is server-side only, open source under the MIT License and covers 1.21.1 – 1.21.11, so it is closer to SBETO in where it runs. Bob's Hotbar Optimizer is client-side only and open source is not claimed, licensed under the Apache License 2.0 for 1.21.4 – 1.21.11, so it targets a different side entirely.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| SBETO (Smart Block-Entity Tick Optimizer) | Fabric | 1.21.8 | Server required, client optional | 2025-08-10 |
| ClockStopper | Fabric | 1.21.1 – 1.21.11 | Server-side only | 2026-02-09 |
| Tab Optimizer | Fabric | 1.21.11 | Client-side only | 2026-07-23 |
| Bob's Hotbar Optimizer | Fabric | 1.21.4 – 1.21.11 | Client-side only | 2026-02-09 |
Questions
Does SBETO require Fabric API?
Does a player need SBETO to join a server that runs it?
Which game versions does SBETO support?
In the catalog
SBETO (Smart Block-Entity Tick Optimizer) is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 17,695 mods support Minecraft 1.21.8.
More from Tasuposed
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What the author says
Skip tick when empty and cooldown allows. Wake briefly on successful transfers, entity collisions, or adjacent inventory updates. Configurable idle grace period and wake triggers. Chests (client): Skip client-side ticks when no player is within a configurable range. Features Potentially* Boosts tick performance by…
Official listing
- Modrinth page
- modrinth.com/mod/sbeto
- Owner
- Tasuposed
- Published
- 2025-08-10
- Updated on Modrinth
- 2025-08-10
- Facts verified
- 2026-10-15